Pith Number

pith:47HVZM4F

pith:2013:47HVZM4FOP7T7LNEY7UVEPTUBT

not attested not anchored not stored refs pending

Divide and Conquer Kernel Ridge Regression: A Distributed Algorithm with Minimax Optimal Rates

John C. Duchi, Martin J. Wainwright, Yuchen Zhang

arxiv:1305.5029 v2 · 2013-05-22 · math.ST · cs.LG · stat.ML · stat.TH

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{47HVZM4FOP7T7LNEY7UVEPTUBT}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:52:56.160058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7cf5cb38573ff3fada4c7e9523e740cf8478a310cb5db7ff317c468945884bc

Aliases

arxiv: 1305.5029 · arxiv_version: 1305.5029v2 · doi: 10.48550/arxiv.1305.5029 · pith_short_12: 47HVZM4FOP7T · pith_short_16: 47HVZM4FOP7T7LNE · pith_short_8: 47HVZM4F

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/47HVZM4FOP7T7LNEY7UVEPTUBT \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: e7cf5cb38573ff3fada4c7e9523e740cf8478a310cb5db7ff317c468945884bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b10a3c023849dd23b2a9e86a6eccca76e689f97a754352746372f66b008a28f",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2013-05-22T06:30:46Z",
    "title_canon_sha256": "f2b35fa52de96584f09a0db4ab88b9b53b8e137bcecaa1515099f75149079dbd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.5029",
    "kind": "arxiv",
    "version": 2
  }
}